If a electron is present in place of anion in a crystal lattice, then it is called

Frenkel defect

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Schottky defect

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Interstitial defect

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F-centre

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Solution

The correct option is D F-centre
When electrons are trapped in anion vacancies these are called F-centers

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Similar questions

Schottky defect is observed in crystals when .....................

(a) some cations move from their lattice site to interstitial sites

(b) equal number of cation and anions are missing from the lattice

(d) some impurity is present in the lattice

Cations are present in the interstitial sites in ...........

(a) Frenkel defect (b) Schottky defect

Which of the following defects decrase the density ?

(a) Interstitial defect (b) Vacancy defect

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